/Engine/Source/Editor/BlueprintGraph/Classes/EdGraphSchema_K2.h
Searches for the first execution pin with the specified direction on the node
the first found execution pin with the correct direction or null if there were no matching pins.
[UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * FindExecutionPin ( const [UEdGraphNode](API\Runtime\Engine\EdGraph\UEdGraphNode) & Node, EEdGraphPinDirection PinDirection ) const